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#ifndef MBGL_MAP_SOURCE
#define MBGL_MAP_SOURCE
#include <mbgl/tile/tile_data.hpp>
#include <mbgl/tile/tile_cache.hpp>
#include <mbgl/source/source_info.hpp>
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <forward_list>
#include <vector>
#include <map>
namespace mapbox {
namespace geojsonvt {
class GeoJSONVT;
} // namespace geojsonvt
} // namespace mapbox
namespace mbgl {
class StyleUpdateParameters;
class Painter;
class FileSource;
class AsyncRequest;
class TransformState;
class Tile;
struct ClipID;
struct box;
class Source : private util::noncopyable {
public:
class Observer {
public:
virtual ~Observer() = default;
virtual void onSourceLoaded(Source&) {};
virtual void onSourceError(Source&, std::exception_ptr) {};
virtual void onTileLoaded(Source&, const TileID&, bool /* isNewTile */) {};
virtual void onTileError(Source&, const TileID&, std::exception_ptr) {};
virtual void onPlacementRedone() {};
};
Source(SourceType,
const std::string& id,
const std::string& url,
uint16_t tileSize,
std::unique_ptr<SourceInfo>&&,
std::unique_ptr<mapbox::geojsonvt::GeoJSONVT>&&);
~Source();
bool loaded = false;
void load(FileSource&);
bool isLoading() const;
bool isLoaded() const;
const SourceInfo* getInfo() const { return info.get(); }
// Request or parse all the tiles relevant for the "TransformState". This method
// will return true if all the tiles were scheduled for updating of false if
// they were not. shouldReparsePartialTiles must be set to "true" if there is
// new data available that a tile in the "partial" state might be interested at.
bool update(const StyleUpdateParameters&);
void updateMatrices(const mat4 &projMatrix, const TransformState &transform);
void finishRender(Painter &painter);
std::forward_list<Tile *> getLoadedTiles() const;
const std::vector<Tile*>& getTiles() const;
void setCacheSize(size_t);
void onLowMemory();
void setObserver(Observer* observer);
void dumpDebugLogs() const;
const SourceType type;
const std::string id;
const std::string url;
uint16_t tileSize = util::tileSize;
bool enabled = false;
private:
void tileLoadingCallback(const TileID&,
std::exception_ptr,
bool isNewTile);
bool handlePartialTile(const TileID&);
bool findLoadedChildren(const TileID&, int32_t maxCoveringZoom, std::vector<TileID>& retain);
void findLoadedParent(const TileID&, int32_t minCoveringZoom, std::vector<TileID>& retain);
TileData::State addTile(const TileID&, const StyleUpdateParameters&);
TileData::State hasTile(const TileID&);
void updateTilePtrs();
private:
std::unique_ptr<const SourceInfo> info;
std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> geojsonvt;
// Stores the time when this source was most recently updated.
TimePoint updated = TimePoint::min();
std::map<TileID, std::unique_ptr<Tile>> tiles;
std::vector<Tile*> tilePtrs;
std::map<TileID, std::weak_ptr<TileData>> tileDataMap;
TileCache cache;
std::unique_ptr<AsyncRequest> req;
Observer nullObserver;
Observer* observer = &nullObserver;
};
} // namespace mbgl
#endif
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